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🌎  Greenwich, United Kingdom [change]

HR4682

HR4682 is a variable and double giant star in the constellation of Centaurus.

HR4682 visual magnitude is 5. Because of its moderate brightness, HR4682 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR4682:

5
Giant
HR4682 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4682

HR4682 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4682 are provided in the following table:

12h 18m 59s
-55° 08’ 35”
298.27°
7.43°
Centaurus

The simplified sky map below shows the position of HR4682 in the sky:

Finder chart HR4682 star
Simplified finder chart for HR4682.

Visibility of HR4682 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR4682 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4682

The image below is a photograph of HR4682 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR4682 is -0.076 arcsec per year in Right Ascension and -0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4682 star
DSS2 image of HR4682. The red arrow shows the motion of HR4682 during the next 10000 years (-12.67 arcmin in Right Ascension and -2.33 arcmin in declination);

Distance of HR4682 from the Sun and relative movement

HR4682 is distant 381.29 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

116.96 pc
381.29 ly
-7 km/s
-0.076 arcsec/year
-0.014 arcsec/year

Spectral properties of HR4682

HR4682 belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.

-0.34
M1III
3663K

The red dot in the diagram below shows where HR4682 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4682. Attribution: Richard Powell / CC BY-SA

HR4682 star system properties

HR4682 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR4682 double sysyem:

5
12
7
35.7 arcsec

Alternative designations of HR4682

SAO239838
SAO239838